1) 3/7
2) 9/21
3) 150/350
Wendy makes tacos. The model shows the ratio relationship for the ingredients.
What is the ratio of cups of chicken to taco shells? Choose all the
correct answers.
Taco shells
9
Cups of chicken
4
According to the information, the ratio of taco shells and cups of chicken is 9:4.
How to identify the ratio of Taco shells and cups of Chicken?To identify the ratio of Taco shells and cups of chicken we must take into account the information in the image. In this case we must count how many units of each element we have. So we have 9 Taco shells and 4 cups of chicken.
According to the above, the ratio would be 9:4, that is to say that for every 9 taco shells that we have, we would have to use 4 cups of chicken. Therefore, if we want to double or triple the recipe we must use the following ingredients:
Double
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A child is getting ice cream and cannot decide between a cone-shaped cup and a cylindrical-shaped cup. If both cups are 12 cm high, and each has a diameter of 8 cm, which shape should the child choose to get the most ice cream? How much more ice cream will he get? Round answers to the nearest tenth.
Find the volume of the cone-shaped cup
Find the volume of the cylindrical-shakes cup.
Which shape should the child choose?
How much more ice cream will he get?
The child will get about 281.3 cubic centimeters more ice cream in the cylindrical-shaped cup than in the cone-shaped cup.
What is volume ?Volume is an important concept in many areas of science and engineering, including physics, chemistry, and materials science. It is also used in everyday life, such as in calculating the amount of liquid that can be held in a container, or the amount of space that is needed to store a set of objects.
According to given conditions:To determine which cup shape holds more ice cream, we need to compare their volumes. The formula for the volume of a cone is (1/3)πr²h, where r is the radius of the circular base and h is the height of the cone. The formula for the volume of a cylinder is πr²h, where r is the radius of the circular base and h is the height of the cylinder.
First, let's find the volume of the cone-shaped cup:
radius = diameter/2 = 8/2 = 4 cm
height = 12 cm
volume = (1/3)πr²h
volume = (1/3)π(4 cm)²(12 cm)
volume ≈ 201.1 cm³
Next, let's find the volume of the cylindrical-shaped cup:
radius = diameter/2 = 8/2 = 4 cm
height = 12 cm
volume = πr²h
volume = π(4 cm)²(12 cm)
volume ≈ 482.4 cm³
The cylindrical-shaped cup has a larger volume, so the child should choose the cylindrical-shaped cup to get the most ice cream.
To find out how much more ice cream the cylindrical-shaped cup holds, we can subtract the volume of the cone-shaped cup from the volume of the cylindrical-shaped cup:
482.4 cm³ - 201.1 cm³ ≈ 281.3 cm³
Therefore, the child will get about 281.3 cubic centimeters more ice cream in the cylindrical-shaped cup than in the cone-shaped cup.
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core of 2 Question 11 of 11 at is propeled sraight upward from ground level with an initial velocity of 64 feet mat, is heiget hin feet t seconds later is given by the equation h=-16t^(2)+64t. wany secinds is the height 48 feet?
By applying velocity concept, it can be concluded that the height of the object is 48 feet at 1 second and 3 seconds.
Velocity is the distance traveled, and the direction in which the distance is changing. It can also be described as the instantaneous rate of change of a moving object.
velocity = Δs / Δt , where:
Δs = distance change
Δt = time change
The height of the object is given by the equation h = -16t² + 64t.
We need to find the time t when the height is 48 feet.
To do this, we can plug in the value of h and solve for t:
h = -16t² + 64t
48 = -16t² + 64t
0 = -16t² + 64t - 48
Dividing by -16 gives us:
0 = t² - 4t + 3
= (t - 3)(t - 1)
Therefore, the possible values of t are 1 and 3 seconds.
So, the height of the object is 48 feet at 1 second and 3 seconds.
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It will take 5.00 seconds for the object to reach a height of 48 feet.
To answer this question, we need to use the equation given: h = -16t2 + 64t. We know that the height is 48 feet and need to calculate the number of seconds it will take to reach this height.
We can rearrange the equation to solve for t, which will give us the number of seconds it takes to reach 48 feet:
48 = -16t2 + 64t
To solve for t, we can use the quadratic formula:
t = (-64 ± √(642 - 4(-16)(48))) / (2(-16))
After simplifying, we get:
t = (8 ± √384) / -32
Therefore, the two solutions are t = 5.00 seconds and t = -6.25 seconds.
Since the object is being propelled upwards, the only solution that makes sense is t = 5.00 seconds.
Therefore, it will take 5.00 seconds for the object to reach a height of 48 feet.
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Find the scalar equation for the plane passing through the
points P1=(−3, 5, 3), P2=(−5, 0, 6), and P3=(−1, 10, −1).
The scalar equation of the plane is -5x - 2y = 5.
To find the scalar equation for the plane passing through the points P1=(−3, 5, 3), P2=(−5, 0, 6), and P3=(−1, 10, −1), we need to follow these steps:
1. Find the vectors P1P2 and P1P3 by subtracting the corresponding coordinates of the points:
P1P2 = P2 - P1 = (-5 - (-3), 0 - 5, 6 - 3) = (-2, -5, 3)
P1P3 = P3 - P1 = (-1 - (-3), 10 - 5, -1 - 3) = (2, 5, -4)
2. Find the normal vector to the plane by taking the cross product of P1P2 and P1P3:
n = P1P2 x P1P3 = (-5 * (-4) - 3 * 5, 3 * 2 - (-2) * (-4), -2 * 5 - (-5) * 2) = (-5, -2, 0)
3. Find the scalar equation of the plane by substituting one of the points and the normal vector into the general equation of a plane:
ax + by + cz = d
-5 * (-3) + (-2) * 5 + 0 * 3 = d
d = 5
Therefore, the scalar equation of the plane is -5x - 2y = 5.
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Solve the following system of equations. Provide your answer in (x,y) format.
Show your work for full credit.
2y-x=-9
y=2x-3
[tex]\left \{ {{2y-x=-9} \atop {y=2x-3}} \right. \iff \left \{ {{2(2x-3)-x=-9} \atop {y=2x-3}} \right. \iff \{ {{4x-6-x=-9} \atop {y=2x-3}} \right. \\[/tex]
[tex]\{ {{3x=-9+6} \atop {y=2x-3}} \right. \iff \{ {{3x=-3} \atop {y=2x-3}} \right. \iff \{ {{x=-1} \atop {y=2x-3}} \right. \\[/tex]
[tex]\{ {{x=-1} \atop {y=2(-1)-3}} \right \iff \{ {{x=-1} \atop {y=-2-3}} \right \implies \bf \{ {{x=-1} \atop {y=-5}}[/tex]
[tex]\implies (x, \ y) = (-1, \ -5)[/tex]
Rewrite the logarithmic expression as a single logarithm with the same base. Assume all expressions exist and are well-defined. Simplify any fractions. 9log_(4)2-log_(4)40
The logarithmic expression can be rewritten as a single logarithm with the same base as [tex]log_{4} (12.8)[/tex].
To rewrite the logarithmic expression as a single logarithm with the same base means that we have to do logarithmic expression simplification.
To do so, we can use the logarithmic properties:
[tex]log_{b} (a)[/tex] + [tex]log_{b} (c)[/tex] = [tex]log_{b} (ac)[/tex]
[tex]log_{b} (a)[/tex] - [tex]log_{b} (c)[/tex] = [tex]log_{b} (a/c)[/tex]
b · [tex]log_{a} (x)[/tex] = [tex]log_{a} (x^{b} )[/tex]
Using these properties, we can rewrite the given expression:
9 · [tex]log_{4} (2)[/tex] - [tex]log_{4} (40)[/tex] = [tex]log_{4} (2^{9} )[/tex] - [tex]log_{4} (40)[/tex]
= [tex]log_{4} (512)[/tex] - [tex]log_{4} (40)[/tex]
= [tex]log_{4} (512/40)[/tex]
= [tex]log_{4} (12.8)[/tex]
So the logarithmic expression can be rewritten as a single logarithm with the same base as [tex]log_{4} (12.8)[/tex]
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(0)
The Downtown Community Barbecue served 454 dinners. A child's plate cost $3.50 and an adult's plate cost $7.40. A total of $2,415.80 was collected. How many of each type of plate was served? Round answers to the nearest whole person.
Teh type of plate was served are 242 child's plates and 212 adult's plates.
Solving with System of equationTo solve this problem, we can use a system of equations. Let x be the number of child's plates and y be the number of adult's plates.
We can write two equations to represent the information given in the problem:
x + y = 454 (the total number of plates served)
3.50x + 7.40y = 2415.80 (the total amount of money collected)
Now we can use the first equation to solve for one of the variables in terms of the other.
For example, we can solve for x in terms of y:
x = 454 - y
Now we can substitute this expression for x into the second equation:
3.50(454 - y) + 7.40y = 2415.80
Simplifying and solving for y, we get:
1589 - 3.50y + 7.40y = 2415.80 3.90y = 826.80 y = 212
Now we can use this value of y to find x: x = 454 - 212 = 242 So there were 242 child's plates and 212 adult's plates served.
Rounded to the nearest whole person, the answer is 242 child's plates and 212 adult's plates.
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Solve the inequality. Write the solution set in interval notation. 6x + 9 ≥ −(x − 9)
The solution to the inequality 6x + 9 ≥ −(x − 9) is x ≥ 0, and the solution set in interval notation is [0, ∞).
To solve the inequality 6x + 9 ≥ −(x − 9), we need to first distribute the negative sign on the right side of the inequality. This gives us:
6x + 9 ≥ -x + 9
Next, we need to isolate the variable on one side of the inequality. We can do this by adding x to both sides and subtracting 9 from both sides:
7x ≥ 0
Finally, we can divide both sides by 7 to solve for x:
x ≥ 0
Now, we can write the solution set in interval notation. Since x is greater than or equal to 0, the solution set is [0, ∞).
So, the solution to the inequality 6x + 9 ≥ −(x − 9) is x ≥ 0, and the solution set in interval notation is [0, ∞).
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Josh put an empty cup underneath a leaking faucet. After 1 3/4 after 1
4/3 hours, Josh had collected 5/8
cups of water. What is the rate, in cups per hour, at which the water is leaking from the faucet?
The rate in cups per hour, at which the water is leaking from the faucet
is 5/14 cups per hour.
What is a unitary method?A unitary method is a mathematical way of obtaining the value of a single unit and then deriving any no. of given units by multiplying it with the single unit.
Given, Josh put an empty cup underneath a leaking faucet. After [tex]1\frac{3}{4}[/tex] hours Josh collected 5/8 cups of water.
Now, [tex]1\frac{3}{4} = \frac{7}{4}[/tex].
Therefore, The rate in cups per hour, at which the water is leaking from the faucet is,
= (5/8)/(7/4) cups per hour.
= (5/8)×(4/7) cups per hour.
= 5/14 cups per hour.
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The tourist walked x hours with a speed of 5 kilometers per hour and y hours with a speed of 4 kilometers per hour. Write an equation expressed with x and y to find the tourist's average speed over the whole distance he walked.
The equation expressed with x and y to find the tourist's average speed over the whole distance he walked is (5x + 4y) / (x + y)
What is the average speed?Average speed = Total distance traveled / Total time taken
Distance = speed × time
= 5 km/h × x
= 5x km/h
Distance = speed × time
= 4 km/h × y
= 4y km/h
Average speed = Total distance traveled / Total time taken
= (5x + 4y) / (x + y)
Therefore, the tourist's average speed over the whole distance he walked is represented by (5x + 4y) / (x + y)
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ball's height in feet
I point
Lin kicked a soccer ball that was on the ground. It was in the air for 3 seconds before it hit the ground again. While
the soccer ball was in the air, it reached a height of approximately 30 ft. Assuming that the soccer ball's height (in
feet) is a function of time (in seconds), interpret the domain, range, and the line of symmetry. Describe the way
that the value of y changes as the value of x increases or decreases.
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20
15
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1.5
time in seconds
2.5
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As the value of x (time in seconds) increases, the height of the soccer ball decreases until it hits the ground at x=3.
what is domain of the function?
The domain of a function is the set of all possible values of the input variable (independent variable) for which the function is defined. It is the set of all x-values for which the function produces a valid output. In order to determine the domain of a function, one needs to consider any restrictions or limitations that the function may have.
The given problem is related to the motion of a soccer ball kicked by Lin. The height of the soccer ball (in feet) is a function of time (in seconds), and it is represented by a graph.
Domain: The domain of the function is the set of all possible values of the input variable (time in seconds). In this case, the soccer ball was in the air for 3 seconds, so the domain is [0, 3], which means that the height function is defined for all values of time between 0 and 3 seconds, including 0 and 3.
Range: The range of the function is the set of all possible values of the output variable (height of the soccer ball in feet). In this case, the soccer ball reached a height of approximately 30 ft while it was in the air. Therefore, the range of the function is [0, 30], which means that the height of the soccer ball is defined for all values between 0 and 30 feet, including 0 and 30.
Line of symmetry: The line of symmetry is a vertical line that passes through the vertex of the parabola (in this case, the highest point that the soccer ball reaches). The parabolic graph of the soccer ball's height function is symmetric with respect to the vertical line passing through the midpoint of the domain. Since the domain is [0, 3], the midpoint is (3/2, 0), so the line of symmetry is x = 3/2.
As the value of x (time in seconds) increases, the height of the soccer ball decreases until it hits the ground at x=3. As the value of x decreases from 3 to 0, the height of the soccer ball increases from 0 to 30 and then decreases again as it hits the ground. The rate of change of the height of the soccer ball is not constant but rather depends on the shape of the parabolic graph of the height function.
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How many entities are depicted by the following requirements? School XYZ keeps track of its 100 students, 10 teachers, and 5 classrooms. A) 3 B) 4 C) 115 D) 116
The total number of entities depicted by the given requirements is the sum of the number of students, teachers, and classrooms, which is 100 + 10 + 5 = 115. Hence, the answer is (C) 115.
What is the algebraic operation?
An algebraic expression in mathematics is an expression that is made up of variables and constants, along with algebraic operations (addition, subtraction, etc.). Expressions are made up of terms.
The question asks us to determine the number of entities depicted by the given requirements, which include School XYZ keeping track of its 100 students, 10 teachers, and 5 classrooms.
An entity can be defined as a distinct object or concept that is represented in a system, such as a database or software application.
In this case, the entities can be identified as follows:
Students: There are 100 students in the school, and each student can be considered as a separate entity.
Teachers: There are 10 teachers in the school, and each teacher can be considered as a separate entity.
Classrooms: There are 5 classrooms in the school, and each classroom can be considered separate.
Therefore, the total number of entities depicted by the given requirements is the sum of the number of students, teachers, and classrooms, which is 100 + 10 + 5 = 115. Hence, the answer is (C) 115.
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Let G be a group and a ∈ G. Show that o(a) = o(a-1)
(this should include both the finite and infinite order cases).
o(a) = o(a-1) for any element a ∈ G.</p>,o(a) = o(a-1) for both the finite and infinite order cases
<p>Let G be a group and a ∈ G. To show that o(a) = o(a-1), we need to consider both the finite and infinite order cases.</p>
Finite order</p>
<p>If a has finite order, then there exists a positive integer n such that a^n = 1. We want to show that (a-1)^n = 1 as well. By the binomial theorem, we have:</p>
<p>(a-1)^n = a^n - na^(n-1) + (n(n-1)/2)a^(n-2) - ... + (-1)^n</p>
<p>Since a^n = 1, we can simplify this to:</p>
<p>(a-1)^n = 1 - na^(n-1) + (n(n-1)/2)a^(n-2) - ... + (-1)^n</p>
<p>All of the terms except for the last one are multiples of a, so they will all cancel out when we multiply by a^n. This leaves us with:</p>
<p>(a-1)^n * a^n = (-1)^n * a^n</p>
<p>Since a^n = 1, this simplifies to:</p>
<p>(a-1)^n = (-1)^n</p>
<p>If n is even, then (-1)^n = 1, so (a-1)^n = 1. If n is odd, then (-1)^n = -1, so (a-1)^n = -1. But since a-1 is an element of G, it must have an inverse, so (a-1)^n = 1. Therefore, o(a) = o(a-1) in the finite order case.</p>
Infinite order</p>
<p>If a has infinite order, then there is no positive integer n such that a^n = 1. We want to show that there is also no positive integer n such that (a-1)^n = 1. Suppose there exists such an n. Then we have:</p>
<p>(a-1)^n = 1</p>
<p>Multiplying both sides by a^n gives us:</p>
<p>(a-1)^n * a^n = a^n</p>
<p>But this is equivalent to:</p>
<p>(a^n - 1)^n = a^n</p>
<p>Since a has infinite order, a^n ≠ 1 for any positive integer n. Therefore, there is no positive integer n such that (a-1)^n = 1, so o(a) = o(a-1) in the infinite order case as well.</p>
<p>In conclusion, o(a) = o(a-1) for both the finite and infinite order cases. Therefore, o(a) = o(a-1) for any element a ∈ G.</p>
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larry has 3,000$ to invest and needs $3,500 in 20 years. What
annual rate of return will he need to get in order to accomplish
his goal, if interest is compounded continuosly?
please answer fast, will
Larry will need an annual rate of return of approximately 1.35% (rounded to two decimal places) to reach his goal of $3,500 in 20 years, if interest is compounded continuously.
The formula for continuous compounding is [tex]A = Pe^{rt}[/tex], where A is the amount of money at the end of the investment period, P is the initial principal, e is Euler's number (approximately 2.71828), r is the annual interest rate, and t is the time in years.
In this case, Larry has P = $3,000 and needs A = $3,500 in t = 20 years. We can solve for r by rearranging the formula:
[tex]r = ln(A/P)/(t)[/tex]
Plugging in the values, we get:
[tex]r = ln(3500/3000)/(20) = 0.0135[/tex] or 1.35%
Therefore, Larry will need an annual rate of return of approximately 1.35% (rounded to two decimal places) to reach his goal of $3,500 in 20 years, if interest is compounded continuously.
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PLSSSS HELP IF YOU TURLY KNOW THISSS
Answer:
[tex]x = 2[/tex]
Step-by-step explanation:
[tex]9(2 - x) = 3x - 6 \\ 18 - 9x = 3x - 6 \\ 18 + 6 = 3x + 9x \\ 24 = 12x \\ x = 2[/tex]
[tex] \: [/tex]
To find:-[tex] \texttt{x = ?}[/tex][tex] \: [/tex]
Solution:-[tex] \texttt{9( 2 - x ) = 3x - 6}[/tex][tex] \: [/tex]
[tex] \texttt{18 - 9x = 3x - 6}[/tex][tex] \: [/tex]
[tex] \texttt{- 9x - 3x = -6 - 18}[/tex][tex] \: [/tex]
[tex] \texttt{- 12x = - 24}[/tex][tex] \: [/tex]
[tex] \tt{x = \cancel\frac{ - 24}{ - 12}}[/tex][tex] \: [/tex]
[tex] \underline{ \boxed{ \texttt{ \purple{\: x = 2 }}}}[/tex][tex] \: [/tex]
The value of x is 2 !
━━━━━━━━━━━━━━━━━━━━━━━
hope it helps! :)
Use long division to fine the quotient
(4x^3-6x^2-4x+8) divided by (2x-1)
Using long division . The quotient of (4x^3-6x^2-4x+8) divided by (2x-1) is: 2x^2 - 2x - 2 with a remainder of 7.
How to find the quotient?Let use long division to determine the quotient of (4x^3-6x^2-4x+8) divided by (2x-1).
Long division:
2x^2 - 2x - 2
--------------------
2x - 1 | 4x^3 - 6x^2 - 4x + 8
- (4x^3 - 2x^2)
--------------
-4x^2 - 4x
+ (4x^2 - 2x)
--------------
-2x + 8
-(-2x + 1)
--------
7
Therefore, the quotient of (4x^3 - 6x^2 - 4x + 8) divided by (2x - 1) is:
2x^2 - 2x - 2 with a remainder of 7.
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I need help ASAP! What is the expanded form of this number
15.306
A. (1 x 10) + (5 x 1) + (3 x 1/10) + (6 x 1/1000)
B. (1×10) + (5×1) + (3×110) + (6× 1/1000)
C. (1×10) + (5×1) + (3×1/100) +(6×1/100)
D. (1×10) + (5×1) + (3×1/100) + (6×1/1,000)
Answer:
the answer is A
So basically it's simple just use some scientific calculator and put the number one by one with the bracket because there's a rule of mathematics which we call BODMAS
What is the lateral surface area and the total surface area
Answer: Total Lateral Area 96in^2^2 Surface Area 108in^2
Step-by-step explanation:
Lateral Areal:
LA=Ph
P=4+4+4=12 h=8 12(8)=96in^2
Surface Area:
SA=Ph+2B P=perimeter h=height B=area of baseB=1/2(4)(3)=6 SA=12(8)+2(6)=108in^2
Find the vector form of the equation of the line that through P, and parallel to v:
(a) Po(-1,2,3); v= (7, – 1, 5)
(b) Po(2,0, -- 1); v= (1, 1, 1)
(c) Po(2, --4, 1); v = (0, 0, - 2)
(d) Po (0,0,0); v= (a,b,c)
(a) Let P0 = (-1, 2, 3) be the point and v = (7, -1, 5) be the direction vector. Then the equation of the line can be written in vector form as:
r = P0 + tv
where r is a point on the line, t is a scalar parameter, and v is the direction vector. Substituting the values of P0 and v, we get:
r = (-1, 2, 3) + t(7, -1, 5)
or
r = (7t - 1, -t + 2, 5t + 3)
(b) Let P0 = (2, 0, -1) be the point and v = (1, 1, 1) be the direction vector. Then the equation of the line can be written in vector form as:
r = P0 + tv
where r is a point on the line, t is a scalar parameter, and v is the direction vector. Substituting the values of P0 and v, we get:
r = (2, 0, -1) + t(1, 1, 1)
or
r = (t + 2, t, t - 1)
(c) Let P0 = (2, -4, 1) be the point and v = (0, 0, -2) be the direction vector. Then the equation of the line can be written in vector form as:
r = P0 + tv
where r is a point on the line, t is a scalar parameter, and v is the direction vector. Substituting the values of P0 and v, we get:
r = (2, -4, 1) + t(0, 0, -2)
or
r = (2, -4, 1 - 2t)
(d) Let P0 = (0, 0, 0) be the point and v = (a, b, c) be the direction vector. Then the equation of the line can be written in vector form as:
r = P0 + tv
where r is a point on the line, t is a scalar parameter, and v is the direction vector. Substituting the values of P0 and v, we get:
r = (0, 0, 0) + t(a, b, c)
or
r = (at, bt, ct)
Note that the vector form of a line through a point P and parallel to a vector v is not unique, as there are infinitely many scalar multiples of v that are also parallel to it. The above solutions are one possible vector form for each case.
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A rectangle is 7 units by 4 units. Find its area.
Answer:
28 units
Step-by-step explanation:
To find the area of a rectangle, multiply the base by its height.
Area = b · h
Area = 7 · 4
Area = 28 units
On a road, a bike sign in the shape of an isosceles trapezoid is to be painted. The sign and its dimensions are shown below. What is the area of the sign?
A right trapezoid is shown with a height labeled 5 feet and one of the bases labeled as 8 feet, and the other base is labeled as 6 feet.
(5 points)
a
30 square feet
b
35 square feet
c
45 square feet
d
50 square feet
The area of the sign is 35 square feet. The solution has been obtained by using the area of the trapezoid.
What is area of the trapezoid?The entire area occupied by the sides of a trapezoid is its area. A trapezoid's area is determined by how many unit squares fit inside of it.
We know that area of the trapezoid is
Area (A) = (a + b ) * h/ 2
Now, here we are given the following:
a = 8
b = 6
h = 5
Now, on substituting these values in the formula, we get
⇒A = (8 + 6 ) * 5 / 2
⇒A = (14 * 5) / 2
⇒A = 70 / 2
⇒A = 35 square feet
Hence, the area of the sign is 35 square feet.
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Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary. f(x)=2x^(5)+15x^(4)+29x^(3)+24x^(2)+80x
The complex zeros of the polynomial function are -1, -2, -2, 1.5, and -4.
To find the complex zeros of the polynomial function, we need to use synthetic division and the quadratic formula.
First, let's use synthetic division to find one of the zeros:
-1 | 2 15 29 24 80
| -2 -13 -16 -8
|_____________________
2 13 16 8 72
Now, we have a new polynomial: 2x^(4)+13x^(3)+16x^(2)+8x+72
Let's use synthetic division again to find another zero:
-2 | 2 13 16 8 72
| -4 -18 -4 -8
|_____________________
2 9 -2 4 64
Now, we have a new polynomial: 2x^(3)+9x^(2)-2x+4
Let's use synthetic division one more time to find another zero:
-2 | 2 9 -2 4
| -4 -10 4
|_____________________
2 5 -12 0
Now, we have a new polynomial: 2x^(2)+5x-12
We can use the quadratic formula to find the remaining zeros:
x = (-b ± √(b^(2)-4ac))/(2a)
x = (-(5) ± √((5)^(2)-4(2)(-12)))/(2(2))
x = (-5 ± √(121))/(4)
x = (-5 ± 11)/(4)
x = (-5 + 11)/(4) or x = (-5 - 11)/(4)
x = 6/4 or x = -16/4
x = 1.5 or x = -4
So, the complex zeros of the polynomial function are -1, -2, -2, 1.5, and -4.
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plssssss help me i beg
Answer:
Proofs attached to answer
Step-by-step explanation:
Proofs attached to answer
Manuel measured the distance from the top vertex of the
triangle shown to its base. He found the distance to be
5 feet. Did he measure the height? Explain your
response.
5 ft
5 ft
-17 ft-
13 ft
Based on the information provided, it can be concluded that Manuel measured the height.
What is the height of a triangle?The height of a triangle ( a shape with three sides, three angles, and three vertices) can be defined as the distance between the vertex and the opposite. The vertex refers to the highest point of the triangle, which is usually at the top. In the case of the triangle presented, the height is five and this was correctly obtained by Manuel when he measured the distance from the vertex to its base.
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Find the surface
area of the
square-based
Solve each problem below.
Find the surface
area of the
rectangular prism
pyramid using the using the net.
net.
9 in
262-88-168
2 cm 10 cm
2 cm
Find the surface
area of the
triangular prism
using the net.
10 ft
6 ft
8 ft.
6 ft
Form the unlock code by entering the surface"
area of each figure in order from left to right.
For example: 200-70-100
The surface area of the solids are listed below:
A = 121.5 in² A = 84 cm² A = 320 ft²How to determine the surface area of solids
In this problem we find three cases of unfolded solids, whose surface area must be determined. The surface area is the sum of the areas of all faces of the solid. The area formulas for the triangle and the rectangle are, respectively:
Rectangle
A = b · h
Triangle
A = 0.5 · b · h
Where:
A - Areaw - Width h - HeightNow we proceed to determine the surface area of the solids are listed below:
Case 1
A = (9 in)² + 0.5 · (9 in)²
A = 81 in² + 40.5 in²
A = 121.5 in²
Case 2
A = 4 · (10 cm) · (2 cm) + (2 cm)²
A = 80 cm² + 4 cm²
A = 84 cm²
Case 3
A = 3 · (8 ft) · (10 ft) + 2 · (8 ft) · (5 ft)
A = 240 ft² + 80 ft²
A = 320 ft²
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Julia placed the number cards 1, 2, 3, 5, 8, and 13 in a bag. A card is drawn at random. Determine the theoretical
probability of drawing an even number. Express your answer as a fraction in simplest form.
Quick pleaseee
Answer: 1/3
Step-by-step explanation: so there is six cards total and only two of them are even so 2/6 and that can go to 1/3
1/3
There are 2 even numbers, and the total is 6. So 2/6 in the simplest form is 1/3.
there are 29.6 feet of carpet in a roll at the store. if it were cut into 8 equal pieces what would be the lenth of each peice
Answer:
Step-by-step explanation
First divide 29.6 by 8. Your answer will be 3.7.
1. The median (x=Md) of the sample (5, 3, 7, 1.9) is or is
obtained through the expression:
a. 5+3+7+1+9 / 5
b. 3+5 / 2
c. 5
d. 5+7 / 2
2. The mean (x) for the following ungrouped data distribution
to its right is:
Dato (x) Frecuencia
3.2 2
1.3 5
2.4 3
A) 1.84 B) 2.01 C) 1.98 D) 2.11
1. The median of the sample is obtained through the expression 3+5 / 2. The correct answer is option b.
2. The mean of the ungrouped data distribution is 1.98. The correct answer is option C.
1. The median of a set of data is the middle value when the data is arranged in ascending or descending order. In this case, the data set is (1.9, 3, 5, 7). The middle values are 3 and 5, so the median is the average of these two values, which is (3+5) / 2 = 4.
2. The mean of a set of data is the sum of all the data values divided by the number of data values. In this case, the mean is [(3.2)(2) + (1.3)(5) + (2.4)(3)] / (2+5+3) = 19.8 / 10 = 1.98.
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Did I do the FOIL method right on this equation?
f(x)=4(x+1)^2-3
f(x)=4(x+1)(x+1)-3
f(x)= 4x^2+1x+1x+2-3
& if so, what do I do next?
Thank you
Yes, you have correctly applied the FOIL method to the equation f(x)=4(x+1)²-3.
The next step would be to simplify the equation by combining like terms.
This would result in the equation f(x)=4x²+2x-1. From here, you can either set the equation equal to zero and solve for x, or you can find the vertex, axis of symmetry, and other characteristics of the quadratic function.
Here is a step-by-step explanation of the FOIL method and simplification process:
1. Start with the original equation: f(x)=4(x+1)²-3
2. Apply the FOIL method to the (x+1)² term: f(x)=4(x²+2x+1)-3
3. Distribute the 4 to each term inside the parentheses: f(x)=4x²+8x+4-3
4. Combine like terms: f(x)=4x²+8x+1
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A student uses the change of base formula on a logarithm expression and the result is the following formula: (log3)/(log8) What was the original formula?
The original logarithmic formula of the given expression is log₈3.
The logarithm has different properties that are fundamental to work with it and solve different problems. The change of base formula states that logₐb = (logₓb)/(logₓa), where x is any base.
In this case, the base x is not specified, so it can be any base. Using the change of base formula, we can rewrite the original formula as (logₓ3)/(logₓ8), which is equivalent to the given expression (log3)/(log8). Therefore, the original formula was log₈3.
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